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參數(shù)資料
| 型號(hào)： | DAC8413 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Quad, 12-Bit DAC Voltage Output with Readback(帶反饋的電壓輸出,四路12位D/A轉(zhuǎn)換器) |
| 中文描述： | 四，12位DAC電壓輸出與回讀（帶反饋的電壓輸出，四路12位的D / A轉(zhuǎn)換器） |
| 文件頁數(shù)： | 8/12頁 |
| 文件大小： | 509K |
| 代理商： | DAC8413 |
DAC8412/DAC8413
REV. C
–8–
found that this is large enough to stabilize this circuit. Larger
resistor values are acceptable, provided that the drop across the
resistor doesn’t exceed a V
BE
. Assuming a minimum V
BE
of 0.6
volts and a maximum current of 2.75 mA, then the resistor
should be under 200
for the loading of a single DAC8412.
Using two separate references is not recommended. Having two
references could cause different drifts with time and tempera-
ture; whereas with a single reference, most drifts will track.
Unipolar positive full-scale operation can usually be set with a
reference with the correct output voltage. This is preferable to
using a reference and dividing down to the required value. For a
10 volt full-scale output, the circuit can be configured as shown in
Figure 2. In this configuration the full-scale value is set first by
adjusting the 10 k
resistor for a full-scale output of
9.9976 volts.
REF08
DAC8412
OR
DAC8413
–15V
TRIM
10k
V
REFH
0.2
μ
F
V
REFL
ZERO TO –10V OPERATION
GND
.01
μ
F
10
μ
F
OUT
Figure 4. Unipolar –10 V Operation
Figure 4 shows the DAC8412 configured for –10 volt to zero
volt operation. A REF08 with a –10 volt output is connected
directly to V
REFL
for the reference voltage.
Single +5 Volt Supply Operation
For operation with a +5 volt supply, the reference should be set
between 1.0 and +2.5 volts for optimum linearity. Note that
lower reference voltages will have greater effects due to noise.
Figure 5 shows a REF43 used to supply a +2.5 volt reference
voltage. The headroom of the reference and DAC are both suf-
ficient to support a +5 volt supply with
±
5% tolerance. V
DD
and
V
LOGIC
should be connected to the same supply and separate
bypassing to each pin should be used.
REF43
DAC8412
OR
DAC8413
+5V
TRIM
10k
V
REFH
0.2
μ
F
V
REFL
ZERO TO +2.5V OPERATION
SINGLE +5V SUPPLY
GND
0.01
μ
F
10
μ
F
OUTPUT
INPUT
Figure 5. +5 V Single Supply Operation
+1
–1
6
0
12
11
10
9
8
V – Volts
7
M
V = +15V
V = –15V
V = –10.0V
T = +25C
Differential Linearity vs. V
REFH
M
V – Volts
0
–2
–1
+2
+1
3
2
1
V = +5V
V = 0V
V = 0V
T = +25C
Differential Linearity vs. V
REFH
M
V – Volts
0.3
0.1
0.2
10
8
6
12
V = +15V
V = –15V
V = 0V
T = +25C
INL vs. V
REFH
Typical Performance Characteristics
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DAC8413AT/883 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:12-Bit Digital-to-Analog Converter |
| DAC8413AT/883C | 功能描述:數(shù)模轉(zhuǎn)換器- DAC QUAD 12-BIT VOUT DAC-LEV. B RoHS:否 制造商:Analog Devices 轉(zhuǎn)換器數(shù)量:4 DAC 輸出端數(shù)量:4 轉(zhuǎn)換速率:167 Ksps 分辨率:12 bit 接口類型:Parallel 穩(wěn)定時(shí)間:10 us (Typ) 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CDIP 封裝:Tube |
| DAC8413AT883C | 制造商:AD 制造商全稱:Analog Devices 功能描述:Quad, 12-Bit DAC Voltage Output with Readback |
| DAC8413AT-883C | 制造商:AD 制造商全稱:Analog Devices 功能描述:Quad, 12-Bit DAC Voltage Output with Readback |
| DAC8413BT/883 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:12-Bit Digital-to-Analog Converter |
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